🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.47 AU - 0.61 AU

Year: 170 Days

Day: 39.5 Hours

Environment

Temp: 112 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,836,045 km

• M1: 442,211 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.56 AU - 0.88 AU

Year: 261 Days

Day: 17.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.12 AU - 2.94 AU

Year: 1720 Days

Day: 13.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,836,045 km

• M1: 955,930 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.4

Radius: 12.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.61 AU - 5.65 AU

Year: 4259 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 23,836,045 km

• M1: 173,683 km (0.106 R)
• M2: 353,350 km (0.099 R)
• M3: 496,067 km (0.061 R)
• M4: 614,099 km (0.087 R)
• M5: 733,179 km (0.061 R)
• M6: 817,403 km (0.101 R)
• M7: 1,344,286 km (0.111 R)
• M8: 1,573,770 km (0.095 R)
• M9: 1,995,187 km (0.095 R)
• M10: 2,550,344 km (0.098 R)
• M11: 2,650,276 km (0.1 R)
• M12: 2,734,649 km (0.096 R)
• M13: 3,045,813 km (0.063 R)
• M14: 3,835,540 km (0.086 R)
• M15: 4,086,565 km (0.116 R)
• M16: 4,323,079 km (0.078 R)
• M17: 4,503,494 km (0.07 R)
• M18: 5,144,072 km (0.101 R)
• M19: 5,857,505 km (0.069 R)
• M20: 6,035,227 km (0.047 R)
• M21: 6,147,126 km (0.066 R)
• M22: 6,464,423 km (0.102 R)
• M23: 6,555,977 km (0.068 R)
• M24: 7,520,285 km (0.046 R)
• M25: 8,303,579 km (0.052 R)
• M26: 8,453,327 km (0.113 R)
• M27: 8,882,673 km (0.07 R)
• M28: 9,396,841 km (0.095 R)
• M29: 9,973,840 km (0.088 R)
• M30: 10,159,790 km (0.11 R)
• M31: 10,346,937 km (0.094 R)
• M32: 10,508,203 km (0.086 R)
• M33: 10,969,862 km (0.047 R)
• M34: 11,079,368 km (0.079 R)
• M35: 11,410,428 km (0.065 R)
• M36: 11,549,255 km (0.119 R)
• M37: 11,884,952 km (0.07 R)
• M38: 12,053,848 km (0.1 R)
• M39: 12,195,368 km (0.087 R)
• M40: 12,766,832 km (0.091 R)
• M41: 13,288,480 km (0.04 R)
• M42: 13,522,750 km (0.111 R)
• M43: 13,876,399 km (0.094 R)
• M44: 14,084,340 km (0.119 R)
• M45: 14,382,938 km (0.041 R)
• M46: 14,925,828 km (0.107 R)
• M47: 15,598,420 km (0.041 R)
• M48: 16,468,930 km (0.105 R)
• M49: 16,720,404 km (0.115 R)
• M50: 17,291,270 km (0.064 R)
• M51: 17,482,905 km (0.044 R)
• M52: 17,900,732 km (0.109 R)
• M53: 18,321,700 km (0.079 R)
• M54: 18,778,871 km (0.12 R)
• M55: 19,471,509 km (0.081 R)
• M56: 20,038,485 km (0.101 R)
• M57: 20,712,424 km (0.08 R)
• M58: 21,018,052 km (0.093 R)
• M59: 21,427,950 km (0.112 R)
• M60: 23,023,860 km (0.102 R)
• M61: 23,446,474 km (0.109 R)
• M62: 23,623,299 km (0.102 R)
• M63: 23,729,513 km (0.03 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 12,490 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit